Long term weather forecast
Long term weather forecast

September weather forecast and Climate
Manila, Philippines

  • Average high temperature in September: 87.1°F

Warmest month (with highest average high temperature) is May (92.1°F).
Month with lowest average high temperature is January (85.1°F).

  • Average low temperature in September: 76.1°F

Month with highest average low temperature is May (78.3°F).
Coldest month (with lowest average low temperature) is January (72.1°F).

  • Average humidity in September: 81%

Month with highest relative humidity is August (83%).
Month with lowest relative humidity is April (64%).

  • Average rainfall in September: 13.2"

Wettest month (with highest rainfall) is August (18.8").
Driest month (with lowest rainfall) is February (0.3").

  • Average rainfall days in September: 20 days

Months with highest number of rainy days are July and August (22 days).
Month with lowest number of rainy days is February (2 days).

  • Average sea temperature in September: 84°F

Best months for swimming (with highest average sea temperature) are May, June and July (86°F).
Coldest months (with lowest average sea temperature) are January and February (81°F).

  • Average daylight in September: 12h

Months with longest days are May, June, July and August (Average daylight: 13h).
Months with shortest days are January, November and December (Average daylight: 11h).

  • Average sunshine in September: 4.4h

Month with most sunshine is April (Average sunshine: 8.6h).
Months with least sunshine are July and August (Average sunshine: 4.3).

  • Average UV index in September: 12

Months with highest UV index are February, March, April, May, June, July, August and September (UV index 12).
Month with lowest UV index is December (UV index 9).